donaldcat
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Why does the nozzle not melt even when the melting point of titanium at 1668 degree celsius, and the flame of the flame is up to 3200-3500 degree celsius.
Titanium nozzles are capable of withstanding extreme temperatures due to their cooling effect from gas flow, despite titanium's melting point of 1668 degrees Celsius. The discussion highlights that while the flame temperature can reach 3200-3500 degrees Celsius, the gaseous flow through the nozzle effectively cools it, preventing melting. Comparisons are made with brass nozzles used in acetylene torches, which can cut through steel, indicating that material choice is critical in high-temperature applications. The potential risks of using titanium in high-temperature environments are also noted, particularly due to its flammability in air.
PREREQUISITESEngineers, materials scientists, and professionals involved in high-temperature applications, particularly those working with cutting and welding technologies.